RALPH CHANG JONG INC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
H03F AMPLIFIERS 182
 
 
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 1110
 
 
 
H04J MULTIPLEX COMMUNICATION 1124

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6472933 Switching amplifier incorporating return-to-zero quaternary power switchSep 27, 99Oct 29, 02[H03F]
6369728 Method and system for real-time processing of the recorded PCM data to get the desired full-scale range of valuesSep 20, 00Apr 09, 02[H03M]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6904062 Method and apparatus for efficient and flexible routing between multiple high bit-width endpointsExpiredApr 23, 99Jun 07, 05[H04J]

Top Inventors for This Owner

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